Related Clues:

• Org. with opening and closing bells
• Finance inits
• Trade letters
• Place for 15-Down: Abbr
• Market watched over by 13-Down
• Wall St. index, familiarly
• Where IBM is 'IBM': Abbr
• Where one needs GPS to find The Gap?
• Index that lists Harley-Davidson as HOG
• Where Ferrari is RACE